Presented below in Table 5 are the OECD household expenditure equivalence units and in Table 6 are the average number of people in the household and the annual household expenditure by the age of household head. Table 5 Household size OECD Household expenditure equivalence units Increment 1.0 N - 1.7 0.7 3 2.2 0.5 A 2.7 0.5 5 3.2 0.5 Table 6 Age of household Average number of Annual household head people in household expenditure 74 1.4 31,240 Using the OECD household expenditure equivalence units (as presented above): [7] i) Estimate the equivalent average annual household expenditure in households headed by people aged